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#include <criterion/redirect.h>
int cr_file_match_str(FILE *f, const char *str)
{
size_t len = strlen(str);
char buf[512];
size_t read;
int matches = 1;
while ((read = fread(buf, 1, sizeof (buf), f)) > 0) {
matches = !strncmp(buf, str, read);
if (!matches || read > len) {
matches = 0;
break;
}
len -= read;
str += read;
}
/* consume the rest of what's available */
if (read)
while (fread(buf, 1, sizeof (buf), f) > 0) ;
/* there are more bytes in str than in f */
if (len) {
return 0;
}
return matches;
}
int cr_file_match_file(FILE *f, FILE *ref)
{
if (f == ref)
return true;
char buf1[512];
char buf2[512];
fpos_t orig_pos;
fgetpos(ref, &orig_pos);
rewind(ref);
size_t read1 = 1, read2 = 1;
int matches = 1;
while (matches
&& (read1 = fread(buf1, 1, sizeof (buf1), f)) > 0
&& (read2 = fread(buf2, 1, sizeof (buf2), ref)) > 0) {
if (read1 != read2) {
matches = 0;
break;
}
matches = !memcmp(buf1, buf2, read1);
}
/* consume the rest of what's available */
while (fread(buf1, 1, sizeof (buf1), f) > 0) ;
fsetpos(ref, &orig_pos);
return matches;
}
int cr_stdout_match_file(FILE *ref)
{
FILE *f = cr_get_redirected_stdout();
int res = cr_file_match_file(f, ref);
fclose(f);
return res;
}
int cr_stdout_match_str(const char *ref)
{
FILE *f = cr_get_redirected_stdout();
int res = cr_file_match_str(f, ref);
fclose(f);
return res;
}
int cr_stderr_match_file(FILE *ref)
{
FILE *f = cr_get_redirected_stderr();
int res = cr_file_match_file(f, ref);
fclose(f);
return res;
}
int cr_stderr_match_str(const char *ref)
{
FILE *f = cr_get_redirected_stderr();
int res = cr_file_match_str(f, ref);
fclose(f);
return res;
}
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